What is the code of important text

Question

Like sub /sub what is important

https://code.sololearn.com/WTywOmqcjlnV/?ref=app

Answer 1

<mark> is to highlight important text
<strong> is for making important text appear bold
<em> is used to emphasize text
<q> is give value to importancy of something stated
Hope this helps

as to <sup> it is more important than <sub> in order